Hat Pixels:12x48 dots Size:25*19*11cm (9.8*7.5*4inch) Screen size:152*32*0.25mm Power supply mode:polymer lithium battery Input method: BluetoothSupport system: Android and Apple ios mobile phoneWorking voltage:DC2.4-4.2VCharging mode:Micro USB Supported languages: English, Russian, French, Spanish, Portuguese, Japanese, Korean, etc. Animation programmable, custom doodles, etc.,digital,punctuationMain Features: • Made of High quality Electronic devices and material • Light,convenient,edit content anytime and anywhere,the effect is eye-catching • Publicity,stage shows,travel lighting and more its good choice • The product uses USB line of mobile phone to charge,lithium battery power supply,so very convenient to use • Soft and comfortable,one size fits most • Suit for UV Protection,night sports,golf,party rave,dancing,lights show Note: • The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness • Please allow 1-2cm differences due to manual measurement Package Included: • 1xLED cap 1X usb charging cable